Coh-metrix: the theoretical, technological, and empirical foundations -- What is text and why analyze it? -- The importance of text cohesion -- The science and technology that led to coh-metrix -- Coh-metrix measures -- Coh-metrix measures of text readability and easability -- Using coh-metrix measures: Studies of cohesion in text and writing -- A beginner's guide to writing Coh-metrix research -- The strategy: moves, frozen expressions, and the evaluator pitch -- The introduction -- The corpus -- The tool -- The results -- The discussion.